Hi @freeride01,

I don't know the exact reason, but I managed to get this running on v2.8. I erased the device completely before loading the test f/w.
I'll put a link to a small video I made for everyone's reference.

https://www.youtube.com/watch?v=4dnm0A4OP7Y
Wish you all the best!

Do you still need help on this? The RAR file is corrupted and cannot be opened.

Just to confirm - I have tested this recently on a WROOM32 devkit, and a custom designed board, and had success with both. I tested WiFi and BT tx with a spectrum analyzer and was getting good signal strength. This was download into RAM. Sorry - not very helpful... I would re-check the basics. Dele...

[Background] We recently sent a few custom-designed devices based on ESP32 Pico D4 to a test lab for CE Compliance testing. There they informed me that the devices are not Txing on 2.4GHz WiFi band. image002.png image011.png I had sent them the ESP RF Test tool v2.5 back then. I also tried to repli...

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